Index: head/devel/flang-clang/Makefile
===================================================================
--- head/devel/flang-clang/Makefile
+++ head/devel/flang-clang/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	flang-clang
-DISTVERSION=	4.0-20170612
+DISTVERSION=	4.0-20170812
 CATEGORIES=	devel lang
 
 MAINTAINER=	jmd@FreeBSD.org
@@ -18,6 +18,9 @@
 RUN_DEPENDS=	llvm40>=0:devel/llvm40 \
 		openmp>=0:devel/openmp
 
+ONLY_FOR_ARCHS=	amd64
+ONLY_FOR_ARCHS_REASON_amd64=	for now only builds and is supported on amd64
+
 USE_LDCONFIG=	${PREFIX}/flang/lib
 USES=		cmake:outsource compiler:c++11-lib libedit tar:xz perl5 \
 		python shebangfix
@@ -31,7 +34,7 @@
 USE_GITHUB=	yes
 GH_ACCOUNT=	flang-compiler
 GH_PROJECT=	clang
-GH_TAGNAME=	17f4427
+GH_TAGNAME=	79d1970
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LOCALBASE}/bin/llvm-config40
 
Index: head/devel/flang-clang/distinfo
===================================================================
--- head/devel/flang-clang/distinfo
+++ head/devel/flang-clang/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1500381643
-SHA256 (flang-compiler-clang-4.0-20170612-17f4427_GH0.tar.gz) = 71f00321c7bb2907623506b6f07ea8e9d19cb832f6cdeb99831ed64fd38307b0
-SIZE (flang-compiler-clang-4.0-20170612-17f4427_GH0.tar.gz) = 15209622
+TIMESTAMP = 1502586432
+SHA256 (flang-compiler-clang-4.0-20170812-79d1970_GH0.tar.gz) = e1b3442b6ccfc9574e0e4479e55b66baf57d957ac1b4652a38e29ae221e51d4f
+SIZE (flang-compiler-clang-4.0-20170812-79d1970_GH0.tar.gz) = 15210102
Index: head/devel/flang/Makefile
===================================================================
--- head/devel/flang/Makefile
+++ head/devel/flang/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	flang
-DISTVERSION=	4.0-20170717
+DISTVERSION=	4.0-20170812
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
@@ -32,7 +32,7 @@
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	flang-compiler
-GH_TAGNAME=	cd44bcd
+GH_TAGNAME=	f7af78c
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LOCALBASE}/bin/llvm-config40 \
 		-DCMAKE_CXX_COMPILER=${LOCALBASE}flang/bin/clang++ \
Index: head/devel/flang/distinfo
===================================================================
--- head/devel/flang/distinfo
+++ head/devel/flang/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1500383149
-SHA256 (flang-compiler-flang-4.0-20170717-cd44bcd_GH0.tar.gz) = 6d88a8a04fa3897c2d90d556a1018eaed607b7cdb9242fbf54f1282e2d25d6c9
-SIZE (flang-compiler-flang-4.0-20170717-cd44bcd_GH0.tar.gz) = 3582194
+TIMESTAMP = 1502586565
+SHA256 (flang-compiler-flang-4.0-20170812-f7af78c_GH0.tar.gz) = 96c38c73f1ed5b3ba45e04232ec4b6ad4fb25a3cc0b1fa48a0036d51ecee1329
+SIZE (flang-compiler-flang-4.0-20170812-f7af78c_GH0.tar.gz) = 3587549